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What types of batteries are there for e-cigarettes?

One of the most important aspects when buying suitable e-cigarette batteries is the format. The format of a lithium-ion battery determines the compatibility with an e-cigarette, e-shisha or a box mod. In theory, the formats are the dimensions of the batteries that can be used in the device.


For this reason, an unsuitable format cannot be used in the electronic cigarette, since the dimensions of the manufacturer do not fit. When looking for suitable batteries for your e-cigarette, you have to check the manufacturer's information in the respective product description or in the operating instructions. This is the only way to guarantee that you choose the right one from the various batteries available at

Typical formats include:

  • 18650
  • 20700
  • 21700
  • 26650

Other sizes are not really offered for use in e-cigarettes because they are either too powerful or too poor. It doesn't matter whether you use an all-in-one set or a special sub-ohm kit, the formats presented are completely sufficient for vapers. Since all of the formats presented are Li-Ion batteries, they are perfect for a wide variety of e-kits.

The batteries are offered by a large number of manufacturers:

  • Sony
  • Samsung
  • Efest IMR
  • Aspire
  • SC
  • LG

The capacity of the e-cigarette batteries in these formats is on average between 2,000 and 4,000 mAh, which is suitable for a wide variety of vaporizers and all-in-one devices. Cylinders, which differ only slightly in size, are the basic form of batteries. If a battery of these formats is to be selected for sub-ohm e-cigarettes, they should be able to withstand a high load of a maximum discharge current of 30 to 40 amperes. This is the only way to provide the necessary power for the deep lungs of the e-liquid. The products are available at at low prices.

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